2129988612 has 24 divisors (see below), whose sum is σ = 4975248096. Its totient is φ = 709242688.

The previous prime is 2129988589. The next prime is 2129988613. The reversal of 2129988612 is 2168899212.

It is not an unprimeable number, because it can be changed into a prime (2129988613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82353 + ... + 105080.

It is an arithmetic number, because the mean of its divisors is an integer number (207302004).

Almost surely, 2^2129988612 is an apocalyptic number.

It is an amenable number.

2129988612 is an abundant number, since it is smaller than the sum of its proper divisors (2845259484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2129988612 is a wasteful number, since it uses less digits than its factorization.

2129988612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188387 (or 188385 counting only the distinct ones).

The product of its digits is 248832, while the sum is 48.

The square root of 2129988612 is about 46151.7996615517. The cubic root of 2129988612 is about 1286.6460582069.

The spelling of 2129988612 in words is "two billion, one hundred twenty-nine million, nine hundred eighty-eight thousand, six hundred twelve".